Probably that's what they are going to do. Just read the developer blog.
Originally Posted by Comfort
We have some longer term plans for allowing players to control the team size of games, so instead of having a 4v4 CA and an 8v8 "Large CA" server we'd instead have a single type of CA server that can accommodate up to 16 players on the server, and then we'd provide the players with a mechanism to choose whether they want to have the team sizes on the server be 4v4 or 8v8.
In the meanwhile though, we'll be spinning up a few more server configurations to help provide more variety in gameplay and bring back some of the most popular types that we had in beta.